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Fence sync tied up. Remaining glitches are likely off-by-one-type errors but we'll see.

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This commit is contained in:
Thomas Harte 2016-05-08 19:45:36 -04:00
parent ef3b91d3aa
commit 1a214a8308
2 changed files with 8 additions and 3 deletions
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2
OSBindings/Mac/Clock Signal/Views/CSOpenGLView.m
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@ -134,7 +134,7 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
- (void)drawRect:(NSRect)dirtyRect
{
// [self drawViewOnlyIfDirty:NO];
[self drawViewOnlyIfDirty:NO];
}
- (void)drawViewOnlyIfDirty:(BOOL)onlyIfDirty

9
Outputs/CRT/Internals/CRTOpenGL.cpp
View File

@ -117,7 +117,8 @@ OpenGLOutputBuilder::OpenGLOutputBuilder(unsigned int buffer_depth) :
_source_buffer_data_pointer(0),
_drawn_source_buffer_data_pointer(0),
_last_output_width(0),
_last_output_height(0)
_last_output_height(0),
_fence(nullptr)
{
_buffer_builder = std::unique_ptr<CRTInputBufferBuilder>(new CRTInputBufferBuilder(buffer_depth));
@ -219,7 +220,11 @@ void OpenGLOutputBuilder::draw_frame(unsigned int output_width, unsigned int out
// glBindBuffer(GL_ARRAY_BUFFER, source_array_buffer);
// _source_buffer_data = (uint8_t *)glMapBufferRange(GL_ARRAY_BUFFER, 0, SourceVertexBufferDataSize, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT | GL_MAP_FLUSH_EXPLICIT_BIT);
glClientWaitSync(_fence, GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
if(_fence != nullptr)
{
glClientWaitSync(_fence, GL_SYNC_FLUSH_COMMANDS_BIT, GL_TIMEOUT_IGNORED);
glDeleteSync(_fence);
}
// release the mapping, giving up on trying to draw if data has been lost
submitArrayData(output_array_buffer, _output_buffer_data.get(), number_of_output_drawing_zones, output_drawing_zones);